/* #a-menu{
    height:640px;
  }
  #a-menu .a-menu-item{
    margin:0px  0px  30px;
  }
  #components-layout-demo-custom-trigger .trigger {
    font-size: 18px;
    line-height: 64px;
    padding: 0 24px;
    cursor: pointer;
    transition: color 0.3s;
  }
  
  #components-layout-demo-custom-trigger .trigger:hover {
    color: #1890ff;
  }
  
  #components-layout-demo-custom-trigger .logo {
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    margin: 16px;
  }
 #a-layout-content{
    
      background: '#fff';
     minHeight: '280px'; 
} */